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[security-announce] openSUSE-SU-2019:0291-1: important: Security update for procps
openSUSE Security Update: Security update for procps

Announcement ID: openSUSE-SU-2019:0291-1
Rating: important
References: #1092100 #1121753
Cross-References: CVE-2018-1122 CVE-2018-1123 CVE-2018-1124
CVE-2018-1125 CVE-2018-1126
Affected Products:
openSUSE Leap 42.3

An update that fixes 5 vulnerabilities is now available.


This update for procps fixes the following security issues:

- CVE-2018-1122: Prevent local privilege escalation in top. If a user ran
top with HOME unset in an attacker-controlled directory, the attacker
could have achieved privilege escalation by exploiting one of several
vulnerabilities in the config_file() function (bsc#1092100).
- CVE-2018-1123: Prevent denial of service in ps via mmap buffer overflow.
Inbuilt protection in ps maped a guard page at the end of the overflowed
buffer, ensuring that the impact of this flaw is limited to a crash
(temporary denial of service) (bsc#1092100).
- CVE-2018-1124: Prevent multiple integer overflows leading to a heap
corruption in file2strvec function. This allowed a privilege escalation
for a local attacker who can create entries in procfs by starting
processes, which could result in crashes or arbitrary code execution in
proc utilities run by
other users (bsc#1092100).
- CVE-2018-1125: Prevent stack buffer overflow in pgrep. This
vulnerability was mitigated by FORTIFY limiting the impact to a crash
- CVE-2018-1126: Ensure correct integer size in proc/alloc.* to prevent
truncation/integer overflow issues (bsc#1092100).

(These issues were previously released for SUSE Linux Enterprise 12 SP3
and SP4.)

Also the following non-security issue was fixed:

- Fix CPU summary showing old data. (bsc#1121753)

This update was imported from the SUSE:SLE-12:Update update project.

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended
installation methods
like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 42.3:

zypper in -t patch openSUSE-2019-291=1

Package List:

- openSUSE Leap 42.3 (i586 x86_64):



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